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sklademVydáno: 1999-02-10
IEC 61249-3-4:1999
Materials for printed boards and other interconnecting structures - Part 3-4: Sectional specification set for unreinforced base materials, clad and unclad (intended for flexible printed boards) - Adhesive coated flexible polyimide film
Matériaux pour circuits imprimés et autres structures d'interconnexion - Partie 3-4: Collection de spécifications intermédiaires pour les matériaux de base non renforcés, recouverts ou non (prévus pour les circuits imprimés flexibles) - Film flexible polyimide à revêtement adhésif
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| Označení normy: | IEC 61249-3-4:1999 |
| Vydáno: | 1999-02-10 |
| Jazyk: | Anglicky |
Popis
IEC 61249-3-4:1999
Gives requirements for flexible polyimide films coated on one side or both sides with acrylic or epoxide type adhesive for use in the fabrication of flexible printed wiring. Films coated on only one side are used as a coverlay or covercoat in the fabrication of flexible printed wiring. This coverlay or covercoat is also used to provide local support to areas subjected to mechanical or environmental stress. Films coated on both sides are used as bonding films in the fabrication of printed boards.